This part specifies the technical requirements, inspection rules, test methods, markings, factory certificates, storage and transportation of electrified railway catenary steel pipe pillars. This section applies to electrified railway catenary steel pipe supports (hereinafter referred to as steel pipe columns). Similar catenary steel pipe supports used in urban rail transit may refer to this section.
TB/T 2921.3-2008 history
2008TB/T 2921.3-2008 Steel pole for overhead contact system of electrified railway. Part 3: Steel tube pole
0000 TB/T 3132-1998
TB/T 2921.3-2008 Steel pole for overhead contact system of electrified railway. Part 3: Steel tube pole was changed to GB/T 25020.3-2010 Steel pole for overhead contact system of electrified railway.Part 3:Steel tube pole.